The Avangard is a hypersonic glider, developed by Russia, that can be carried as a MIRV payload by heavy.
Russian Anti-aircraft Gun Fail: Angle 2
Angle 2: Russian Tunguska Anti-Aircraft Vehicle’s Firing System Goes Awry Almost Kills Everyone -- Here’s the footage allegedly filmed from the inside. The following video shows a 9K22 Tunguska anti aircraft weapon system going out of control during live firing activity. Although some sources say footage was shot during the recent invasion of Crimea, it’s unclear when and where it was actually filmed.